Home / 63,309.42-87,438.78-43,131.24

Finding the Fourth Proportional to 63,309.42, 87,438.78 and 43,131.24

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Solution

The fourth proportional to 63,309.42, 87,438.78 and 43,131.24 is: 59,570.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,309.42 : 87,438.78 = 43,131.24 : x
  2. Step 2: Convert to fraction form
    63,309.42/87,438.78 = 43,131.24/x
  3. Step 3: Cross multiply
    63,309.42x = 87,438.78 × 43,131.24
  4. Step 4: Simplify right side
    63,309.42x = 3,771,343,005.49
  5. Step 5: Solve for x
    x = 3,771,343,005.49/63,309.42
  6. Step 6: Final answer
    x = 59,570.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.